<div dir="ltr"><br><div>Update: Upon further investigation, this error arose due to the inclusion of the electron_phonon tag, which should not be added until after an initial phonon run has been completed.</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Apr 9, 2019 at 1:28 PM nate szymanski <<a href="mailto:njszym@gmail.com">njszym@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div dir="ltr"><div dir="ltr">Hello,<div><br></div><div>Upon attempting to run ph.x to compute the phonon dipsersions of a compound (ScC), I am running into the following error very early in the calculation:</div><div><br></div><div>Error in routine davcio (27):</div><div>error while reading from file "./_ph0/ScC.q_1/ScC.dv1"</div><div><div><br></div><div>When I check the file "ScC.dv1", I notice that it is completely empty. However, I can't seem to figure out why this is, as everything in the output seems completely normal.</div></div><div><br></div><div>My input file for ph.x is as follows:</div><div><br></div><div><div>&inputph</div><div> prefix='ScC',</div><div> ldisp=.true.,</div><div> fildyn='dyn',</div><div> nq1=8,</div><div> nq2=8,</div><div> nq3=8,</div><div> tr2_ph=1.0d-12,</div><div> alpha_mix(1)=0.6,</div><div> lshift_q = .true.,</div><div> fildvscf='dv',</div><div> fildrho = 'drho',</div><div> electron_phonon='lambda_tetra'</div><div>/</div></div><div><br></div><div>This run is performed after completing a well-converged self-consistent calculation in the same folder.</div><div><br></div><div>Any help would be appreciated.</div><div><br></div><div>Sincerely,</div><div>Nathan</div><div><br></div></div></div></div>
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